diff --git a/app/server/web/sessions.ts b/app/server/web/sessions.ts
index 25e1216..af29ab2 100644
--- a/app/server/web/sessions.ts
+++ b/app/server/web/sessions.ts
@@ -202,7 +202,7 @@ async function loadUserFile(path: string) {
 	const realPath = resolve(path);
 
 	try {
-		const handle = await open(realPath, 'r+');
+		const handle = await open(realPath, 'a+');
 		log.info('config', 'Using user database file at %s', realPath);
 		await handle.close();
 	} catch (error) {
diff --git a/config.example.yaml b/config.example.yaml
index 465730b..02ad0d6 100644
--- a/config.example.yaml
+++ b/config.example.yaml
@@ -105,3 +105,7 @@ oidc:
   # This should point to your publicly accessibly URL
   # for your Headplane instance with /admin/oidc/callback
   redirect_uri: "http://localhost:3000/admin/oidc/callback"
+
+  # Stores the users and their permissions for Headplane
+  # This is a path to a JSON file, default is specified below.
+  user_storage_file: "/var/lib/headplane/users.json"